Cokin

Cokin 52UVS 52mm Pure Harmonie Ultra Slim UV Filter

4.4 (128 reviews)

Cokin Pure Harmonie 52mm UV filter provides lens protection in an ultra-slim 3.3mm profile that eliminates vignetting on wide-angle lenses.

$29.25*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Cokin Pure Harmonie Ultra Slim UV-MC filter in 52mm is engineered for photographers who want dependable lens protection without any compromise to image quality. Measuring just 3.3mm thick, it claims the distinction of being one of the slimmest UV filters on the market—a critical advantage for wide-angle lens users who frequently encounter vignetting with standard-profile filters. The exclusive high-transmission glass blocks ultraviolet light that can cause haze in landscape and outdoor photography while allowing visible light to pass through with negligible loss or color distortion.

Cokin's EVERCLEAR 5 coating technology applies five functional layers to the glass surface: water repellent, anti-oil, anti-dust, anti-soil, and scratch resistant. This multi-coating system keeps the filter cleaner during use and makes fingerprints, water spots, and debris significantly easier to wipe away. The lightweight construction ensures that even sensitive autofocus systems remain unaffected, making this filter practical as a leave-on lens protector for daily shooting. For photographers who prioritize optical transparency and minimal physical footprint in their filter setup, the Pure Harmonie delivers a refined solution at the 52mm thread size.

Key Features

The thinnest UV filter on the market at 3.3mm

Super lightweight which will not compromise AF systems

Exclusive new high transmission glass

Reduces vignetting issues on extreme wide angle lenses

Ever clear 5 multi coating technology

Specifications

Brand
Cokin
Model
52UVS
Filter Diameter
52mm
Filter Type
UV-MC (Multi-Coated)
Thickness
3.3mm
Coating
EVERCLEAR 5 (Water Repellent, Anti-Oil, Anti-Dust, Anti-Soil, Scratch Resistant)
Glass
High Transmission Scratch Resistant Glass

Pros & Cons

👍 Pros

  • At 3.3mm thick, it is one of the thinnest UV filters available, virtually eliminating vignetting on wide-angle lenses
  • EVERCLEAR 5 multi-coating resists water, oil, dust, soil, and scratches for easier cleaning and durability
  • Ultra-lightweight design ensures no interference with autofocus systems
  • High-transmission glass maintains image clarity and accurate color rendition

👎 Cons

  • The ultra-slim profile leaves minimal rim to grip when threading the filter on or off the lens
  • 52mm size only fits lenses with that specific thread diameter without a step-up adapter
  • The thin frame lacks a front thread, which may prevent stacking additional filters on top
  • Premium slim design comes at a higher price than standard-thickness UV filters

Frequently Asked Questions

At just 3.3mm, this is among the thinnest UV filters available, which prevents the filter ring from encroaching into the frame edges on wide-angle lenses—eliminating the corner darkening (vignetting) that thicker filters can cause.
EVERCLEAR 5 is Cokin's five-layer coating system that provides water repellency, anti-oil, anti-dust, anti-soil, and scratch resistance, keeping the filter surface cleaner and easier to maintain than uncoated or single-coated alternatives.
No, the filter's ultra-lightweight construction and high-transmission glass are specifically designed not to interfere with autofocus systems.
The high-transmission glass is engineered to pass visible light with minimal loss or color shift, so image quality remains virtually unchanged while UV haze is reduced.